package Example04;

class Student{
    private String name;
    private int age;
    public String getName(){
        return name;
    }
    public void setName (String name){
        this.name=name;
    }
    public int getAge(){
        return age;
    }
    public void  setAge(){
        if (age <=0){
            System.out.println("您输入的年龄有误");
        }else {
            this.age=age;
        }
    }
    public void read(){
        System.out.println("大家好,我是"+name+",年龄"+age);
    }
}
public class Example04 {
    public static void main(String[] args){
        Student stu = new Student();
        stu.setName("张三");
        stu.setAge();
        stu.read();
    }
}
